<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/calculator.css">
</head>
<body>
<section>
    <div id="calculate">

    </div>
    <table style="cursor: pointer;">
        <tr>
            <td>x<sup>2</sup></td>
            <td>x<sup>y</sup></td>
            <td>sin</td>
            <td>cos</td>
            <td>tan</td>
        </tr>
        <tr>
            <td>&radic;</td>
            <td>10<sup>x</sup></td>
            <td>log</td>
            <!--exp为10的幂-->
            <td>Exp</td>
            <td>Mod</td>
        </tr>
        <tr>
            <td>&uarr;</td>
            <!--ce清除一一次的结果-->
            <td>CE</td>
            <td id="deleteAll">C</td>
            <!--清除一个字符-->
            <td id="deleteSignal">&lArr;</td>
            <td>/</td>
        </tr>
        <tr>
            <td>PI</td>
            <td class="num">7</td>
            <td class="num">8</td>
            <td class="num">9</td>
            <td>*</td>
        </tr>
        <tr>
            <!--求阶乘-->
            <td>n!</td>
            <td class="num">4</td>
            <td class="num">5</td>
            <td class="num">6</td>
            <td>-</td>
        </tr>
        <tr>
            <!--取正负-->
            <td>+/-</td>
            <td class="num">1</td>
            <td class="num">2</td>
            <td class="num">3</td>
            <td>+</td>
        </tr>
        <tr>
            <td>(</td>
            <td>)</td>
            <td class="num">0</td>
            <td>.</td>
            <td>=</td>
        </tr>
    </table>
</section>
<aside>结果</aside>
<!--提示-->
<p id="prompt">
    <span>这是一个简易计算器，每次只能进行一步计算，请见谅</span>
    <br><br><br>
    <span>点击进入</span>
</p>
<script src="js/calculator.js"></script>
</body>
</html>